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Author Topic: Hotpoint Gas Dryer good igniter but no heat  (Read 449 times)

Offline georg

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Hotpoint Gas Dryer good igniter but no heat
« on: March 13, 2015, 06:55:05 AM »
Hotpoint gas dryer model DLL2750BALWH, have had it for some 25 yrs, drum turns, but igniter
does not come on (glow). It checks OK (glows) when hot wired and simultaneously there is also a loud click from at least one of the two solenoids. Checked line voltage at open connector just before the gas valve (black and yellow leads ) while turning dryer on -- NO VOLTAGE. In what order should I next test all the remaining components? Is there a thermal fuse? Or some kind main fuse? Where?
According to  http://www.applianceaid.com/gas-dryer-troubleshooting.php#noheat under "Gas dryer with no heat": one should "If you do not have voltage coming to the burner, then you will need to check the timer contacts that feed the gas burner, hi limit thermostat, operating thermostats, the safety switch on the motor, and any other point that you can see on your wiring diagram picture that feeds voltage to the burner." 
There is no wiring diagram on the dryer, and online info on this model is minimal, so no schematics. I do have a multimeter.
I would be grateful for any help in walking me through this. 


Offline fairbank56

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Re: Hotpoint Gas Dryer good igniter but no heat
« Reply #1 on: March 13, 2015, 12:46:40 PM »
  There are no fuses on Hotpoint/GE dryers. Could be timer, temp switch, motor switch or wiring issue. Here is your wiring diagram.

Eric

« Last Edit: March 13, 2015, 12:47:02 PM by fairbank56 »

Offline georg

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Re: Hotpoint Gas Dryer good igniter but no heat
« Reply #2 on: March 14, 2015, 03:10:03 AM »
Thank you for the wiring diagram, Eric.
If there is no thermal FUSE, what sort of thermal protections are there? Thermal switches, i.e. thermostats, as you call them? Any idea where exactly it (they) might be located on this model? Also, if the motor switch was bad, would the drum still turn, as mine does? Is it necessary to test the hi limit switch and the flame sensor? (It's hard to get down on those old knees anymore)
Georg

Offline fairbank56

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Re: Hotpoint Gas Dryer good igniter but no heat
« Reply #3 on: March 14, 2015, 08:24:42 AM »

  The high limit thermostat is the safety device in this dryer. There are 3 thermostats. Their location is shown on the second page of the wiring diagram. There are 2 switches in the motor, one for the start winding, the other for completing the gas valve circuit. Yes, the problem could be the flame sensor, check continuity on that.

Eric

Offline georg

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Re: Hotpoint Gas Dryer good igniter but no heat
« Reply #4 on: March 14, 2015, 10:54:49 AM »
Thanks again, Eric. I will check locations and test as soon as I can, which might not be today.

Georg

 

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